> B. Other work 
of the Bureau 
a, Hydro- 
graphical 
ADMINISTRATION-REPORT 1905—06 ey Cie 
IV. Uebersicht über die Seefischerei Finnlands. Ausgearbeitet von J. Axe. 
SANDMAN. 48 S., 10 Taf., 9 Tabellen. Juni 1906. 
No. 27. V. WALFRID Exman, An apparatus for the collection of bottom-samples. 
6 p., 5 fig. August 1905. 
No. 28. Bericht über die Anstalten zur Vermehrung des Lachses und der Meer- 
forellen in den Flüssen der Ostsee. Bearbeitet von Dr. Fi. Trygom. 94 S. 
November 1905. 
No. 29. Lewis Henry Goucx, On the distribution and the migrations of Muggiaea 
atlantica, CunnineHam, in the English Channel, the Irish Sea, and off the 
South and West coasts of Ireland, in 1904. 13 p., 3 charts, 2 fig. No- 
vember 1905. 
No. 30. Rozr J. Wirtine, Kurze Beschreibung eines elektrisch registrierenden Strom- 
messers. 8 S., Textfiguren. November 1905. 
No. 31. — —, Etliches über Strommessung. 11S. November 1905. 
- No. 30—31 published together. 
No. 32. Cuartus Arwoop Korom, A self-closing water bucket for plankton in- 
vestigations. 4 p., 4 fig. December 1905. 
No. 33. Catalogue des espéces de plantes et d’animaux observées dans le plankton 
recueilli pendant les expéditions périodiques depuis le mois d’aoüt 1902 
jusqu'au mois de mai 1905. Publié par le Bureau, avec la coopération 
(pour le plankton végétal) de C. H. OstenreLn, Inspecteur du Musée Bo- 
tanique de l’Universile de Copenhague. 122 p. Fevrier 1906. 
No. 34. Friptsor Nansen, Methods for measuring direction and velocity of currents 
in the Sea. With an appendix by Dr. V. Watrri Exman. 42 p., 2 pl., 
31 fig. February 1906. : 
B. With regard to the remaining portions of the work of the Bureau, those 
which are of a purely hydrographical nature and those which are concerned with 
fisheries statistics may be considered separately. 
a. Concerning the work of the hydrographical department of the Bureau 
during the year July 1905—July 1906, the following report has been received 
from the first assistant of the Bureau, the director of the hydrographical department, 
Docent Martin Knupsen. 
The hydrographical data received were worked out and published in the 
Bulletins essentially in the same manner as in the previous year. The published 
material, which includes the observations made between the seasonal cruises as 
well as during these cruises (Resolution of the I. C., 21st July 1905, Procés-Verbaux 
Vol. IV, p. 14, Point IV), has been further extended by observations made from 
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